gcc/ada/g-casuti.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUNTIME COMPONENTS                          --
   4 --                                                                          --
   5 --                       G N A T . C A S E _ U T I L                        --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --           Copyright (C) 1995-2002 Ada Core Technologies, Inc.            --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
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  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  19 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  20 -- MA 02111-1307, USA.                                                      --
  21 --                                                                          --
  22 -- As a special exception,  if other files  instantiate  generics from this --
  23 -- unit, or you link  this unit with other files  to produce an executable, --
  24 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  25 -- covered  by the  GNU  General  Public  License.  This exception does not --
  26 -- however invalidate  any other reasons why  the executable file  might be --
  27 -- covered by the  GNU Public License.                                      --
  28 --                                                                          --
  29 -- GNAT was originally developed  by the GNAT team at  New York University. --
  30 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  31 --                                                                          --
  32 ------------------------------------------------------------------------------
  33
  34 --  Simple casing functions
  35
  36 --  This package provides simple casing functions that do not require the
  37 --  overhead of the full casing tables found in Ada.Characters.Handling.
  38
  39 --  Note: actual code is found in System.Case_Util, which is used internally
  40 --  by the GNAT run time. Applications programs should always use this package
  41 --  rather than using System.Case_Util directly.
  42
  43 with System.Case_Util;
  44
  45 package GNAT.Case_Util is
  46 pragma Pure (Case_Util);
  47
  48 pragma Elaborate_Body;
  49 --  The elaborate body is because we have a dummy body to deal with bootstrap
  50 --  path problems (we used to have a real body, and now we don't need it any
  51 --  more, but the bootstrap requires that we have a dummy body, since otherwise
  52 --  the old body gets picked up.
  53
  54    --  Note: all the following functions handle the full Latin-1 set
  55
  56    function To_Upper (A : Character) return Character
  57      renames System.Case_Util.To_Upper;
  58    --  Converts A to upper case if it is a lower case letter, otherwise
  59    --  returns the input argument unchanged.
  60
  61    procedure To_Upper (A : in out String)
  62      renames System.Case_Util.To_Upper;
  63    --  Folds all characters of string A to upper csae
  64
  65    function To_Lower (A : Character) return Character
  66      renames System.Case_Util.To_Lower;
  67    --  Converts A to lower case if it is an upper case letter, otherwise
  68    --  returns the input argument unchanged.
  69
  70    procedure To_Lower (A : in out String)
  71      renames System.Case_Util.To_Lower;
  72    --  Folds all characters of string A to lower case
  73
  74    procedure To_Mixed (A : in out String)
  75      renames System.Case_Util.To_Mixed;
  76    --  Converts A to mixed case (i.e. lower case, except for initial
  77    --  character and any character after an underscore, which are
  78    --  converted to upper case.
  79
  80 end GNAT.Case_Util;